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Math Help - Vectors and Applications

  1. #1
    Newbie
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    May 2011
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    Vectors and Applications

    Okay so I have come into a problem that I do not understand.

    The question is :
    An Airplane is flying at 250km/h in a direction of 336 degrees. Find the westerly and the northerly components of its velocity.

    The issue that I am coming up with is when I draw a right triangle for this equation I do not know how to come up with Angle A

    The answer for Angle A is 66 degrees but I have no idea how they come up with that

    Thanks in advance
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  2. #2
    Senior Member
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    Mar 2012
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    Sheffield England
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    Re: Vectors and Applications

    The 336 is the angle clockwise from pointing North. The direction West is on a bearing 270. So 336 is makes an angle of 66 degrees with West.
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